Firefly Fire Pumps Pvt. Ltd. Manufactures Gear Box Mounted Fire Pumps. Firefly Fire Pumps Pvt. Ltd. Is an ISO 9001:2000 awarded company that also manufactures a wide range of fire pumps. Gear Box Mounted Fire Pumps are compatible with is perfect for fire engines, which have rated torque at low rpm. The Helical gears are made from special alloy steel, carburized, hardened and ground are mounted on an alloy steel shaft and installed in cast iron housing. Water cooling facility is provided for continuous operation. High quality double lip oil seals are provided with this pump, which offer virtually leak proof operations for extended periods.